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    .m-l-50 {
        margin-left: 50px !important;
    }

    .m-t--5 {
        margin-top: -5px !important;
    }

    .m-r--5 {
        margin-right: -5px !important;
    }

    .m-b--5 {
        margin-bottom: -5px !important;
    }

    .m-l--5 {
        margin-left: -5px !important;
    }

    .m-t--10 {
        margin-top: -10px !important;
    }

    .m-r--10 {
        margin-right: -10px !important;
    }

    .m-b--10 {
        margin-bottom: -10px !important;
    }

    .m-l--10 {
        margin-left: -10px !important;
    }

    .m-t--15 {
        margin-top: -15px !important;
    }

    .m-r--15 {
        margin-right: -15px !important;
    }

    .m-b--15 {
        margin-bottom: -15px !important;
    }

    .m-l--15 {
        margin-left: -15px !important;
    }

    .m-t--20 {
        margin-top: -20px !important;
    }

    .m-r--20 {
        margin-right: -20px !important;
    }

    .m-b--20 {
        margin-bottom: -20px !important;
    }

    .m-l--20 {
        margin-left: -20px !important;
    }

    .m-t--25 {
        margin-top: -25px !important;
    }

    .m-r--25 {
        margin-right: -25px !important;
    }

    .m-b--25 {
        margin-bottom: -25px !important;
    }

    .m-l--25 {
        margin-left: -25px !important;
    }

    .m-t--30 {
        margin-top: -30px !important;
    }

    .m-r--30 {
        margin-right: -30px !important;
    }

    .m-b--30 {
        margin-bottom: -30px !important;
    }

    .m-l--30 {
        margin-left: -30px !important;
    }

    .m-t--35 {
        margin-top: -35px !important;
    }

    .m-r--35 {
        margin-right: -35px !important;
    }

    .m-b--35 {
        margin-bottom: -35px !important;
    }

    .m-l--35 {
        margin-left: -35px !important;
    }

    .m-t--40 {
        margin-top: -40px !important;
    }

    .m-r--40 {
        margin-right: -40px !important;
    }

    .m-b--40 {
        margin-bottom: -40px !important;
    }

    .m-l--40 {
        margin-left: -40px !important;
    }

    .m-t--45 {
        margin-top: -45px !important;
    }

    .m-r--45 {
        margin-right: -45px !important;
    }

    .m-b--45 {
        margin-bottom: -45px !important;
    }

    .m-l--45 {
        margin-left: -45px !important;
    }

    .m-t--50 {
        margin-top: -50px !important;
    }

    .m-r--50 {
        margin-right: -50px !important;
    }

    .m-b--50 {
        margin-bottom: -50px !important;
    }

    .m-l--50 {
        margin-left: -50px !important;
    }

    .p-0 {
        padding: 0px !important;
    }

    .p-t-0 {
        padding-top: 0px !important;
    }

    .p-r-0 {
        padding-right: 0px !important;
    }

    .p-b-0 {
        padding-bottom: 0px !important;
    }

    .p-l-0 {
        padding-left: 0px !important;
    }

    .p-5 {
        padding: 5px !important;
    }

    .p-t-5 {
        padding-top: 5px !important;
    }

    .p-r-5 {
        padding-right: 5px !important;
    }

    .p-b-5 {
        padding-bottom: 5px !important;
    }

    .p-l-5 {
        padding-left: 5px !important;
    }

    .p-10 {
        padding: 10px !important;
    }

    .p-t-10 {
        padding-top: 10px !important;
    }

    .p-r-10 {
        padding-right: 10px !important;
    }

    .p-b-10 {
        padding-bottom: 10px !important;
    }

    .p-l-10 {
        padding-left: 10px !important;
    }

    .p-15 {
        padding: 15px !important;
    }

    .p-t-15 {
        padding-top: 15px !important;
    }

    .p-r-15 {
        padding-right: 15px !important;
    }

    .p-b-15 {
        padding-bottom: 15px !important;
    }

    .p-l-15 {
        padding-left: 15px !important;
    }

    .p-20 {
        padding: 20px !important;
    }

    .p-t-20 {
        padding-top: 20px !important;
    }

    .p-r-20 {
        padding-right: 20px !important;
    }

    .p-b-20 {
        padding-bottom: 20px !important;
    }

    .p-l-20 {
        padding-left: 20px !important;
    }

    .p-25 {
        padding: 25px !important;
    }

    .p-t-25 {
        padding-top: 25px !important;
    }

    .p-r-25 {
        padding-right: 25px !important;
    }

    .p-b-25 {
        padding-bottom: 25px !important;
    }

    .p-l-25 {
        padding-left: 25px !important;
    }

    .p-30 {
        padding: 30px !important;
    }

    .p-t-30 {
        padding-top: 30px !important;
    }

    .p-r-30 {
        padding-right: 30px !important;
    }

    .p-b-30 {
        padding-bottom: 30px !important;
    }

    .p-l-30 {
        padding-left: 30px !important;
    }

    .p-35 {
        padding: 35px !important;
    }

    .p-t-35 {
        padding-top: 35px !important;
    }

    .p-r-35 {
        padding-right: 35px !important;
    }

    .p-b-35 {
        padding-bottom: 35px !important;
    }

    .p-l-35 {
        padding-left: 35px !important;
    }

    .p-40 {
        padding: 40px !important;
    }

    .p-t-40 {
        padding-top: 40px !important;
    }

    .p-r-40 {
        padding-right: 40px !important;
    }

    .p-b-40 {
        padding-bottom: 40px !important;
    }

    .p-l-40 {
        padding-left: 40px !important;
    }

    .p-45 {
        padding: 45px !important;
    }

    .p-t-45 {
        padding-top: 45px !important;
    }

    .p-r-45 {
        padding-right: 45px !important;
    }

    .p-b-45 {
        padding-bottom: 45px !important;
    }

    .p-l-45 {
        padding-left: 45px !important;
    }

    .p-50 {
        padding: 50px !important;
    }

    .p-t-50 {
        padding-top: 50px !important;
    }

    .p-r-50 {
        padding-right: 50px !important;
    }

    .p-b-50 {
        padding-bottom: 50px !important;
    }

    .p-l-50 {
        padding-left: 50px !important;
    }

    .d-block {
        display: block !important;
    }

    .d-inline-block {
        display: inline-block !important;
    }

    .d-inline {
        display: inline !important;
    }

    .d-none {
        display: none !important;
    }

    .d-flex {
        display: flex !important;
    }

    .static {
        position: static !important;
    }

    .fixed {
        position: fixed !important;
    }

    .absolute {
        position: absolute !important;
    }

    .relative {
        position: relative !important;
    }

    .sticky {
        position: sticky !important;
    }


    body {
        background-color: #fff;
    }

    .g-container {
        width: 960px;
    }

    @media screen and (min-width: 1200px) {
        .g-hide {
            display: none;
        }
    }

    .u-ccard {
        display: block;
        float: left;
        width: 200px;
        height: 190px;
        margin: 10px 0 0 30px;
    }

    .u-ccard .cc {
        font-size: 14px;
        margin: 10px 0 0;
    }

    .u-ccard .pj {
        vertical-align: 2px;
        color: #999;
    }

    .u-ccard .mc {
        margin-top: 4px;
    }

    .u-ccard .sc {
        color: #666;
        margin-top: 6px;
    }

    .u-ccard .ti {
        margin-top: 3px;
    }

    .u-ccard .dt,
    .u-ccard .dd {
        font-size: 12px;
        color: #666;
    }

    .u-ccard .img {
        outline: 1px solid #eee;
    }

    .u-ccard:hover {
        text-decoration: none;
    }

    .u-ccard:hover .cc {
        color: #0866b4;
    }

    .m-center .u-lNote .t1,
    .m-center .u-note .dig,
    .m-center .u-note .private,
    .m-center .u-note .edit,
    .m-center .u-note .del,
    .m-center .u-note .eBtn {
        background: url(//img1.cache.netease.com/v/open/developTest/topic/others/centericon0408.png) no-repeat 9999px 9999px;
    }

    .m-center .g-mn-b {
        float: right;
        width: 100%;
        min-height: 400px;
    }

    .m-center .g-mn-b .mnc {
        margin-left: 210px;
    }

    .m-center .m-tab-s {
        height: 30px;
        width: 100%;
        border-bottom: 1px solid #29754d;
    }

    .m-center .m-tab-s li {
        float: left;
        width: 115px;
        margin-right: 10px;
        font-size: 14px;
    }

    .m-center .m-tab-s li b {
        display: block;
        font-weight: normal;
        height: 30px;
        line-height: 30px;
        background: #efefef;
        cursor: pointer;
        text-align: center;
    }

    .m-center .m-tab-s li.current b {
        color: #fff;
        background: #29754d;
    }

    .m-center .m-tab-s .noli {
        float: right;
        width: 44px;
        margin: 8px 0 0 0;
    }

    .m-center .m-tab-s .del-b,
    .m-center .m-tab-s .del-b:hover {
        background: url(//img1.cache.netease.com/v/open/developTest/topic/others/centericon.png) no-repeat 9999px 9999px;
    }

    .m-center .m-tab-s .del-b {
        padding-left: 20px;
        background-position: 0 -193px;
    }

    .m-center .m-tab-s .del-b:hover {
        background-position: 0 -223px;
    }

    .m-center .ui-pager a.js-selected,
    .m-center .ui-pager a.js-selected:hover,
    .m-center .ui-pager .zpgi:hover,
    .m-center .ui-pager a.zbtn:hover {
        background-color: #29754d;
        border: 1px solid #29754d;
    }

    .m-center .ui-pager .zpgi:hover {
        color: #fff;
    }

    .m-center .ui-pager a.js-disabled:hover {
        background-color: #f7f7f7;
        color: #999;
        border: 1px solid #ddd;
    }

    .g-doc {
        min-height: 640px;
        margin-top: 15px;
    }

    .m-top .del-b {
        background: url(//img1.cache.netease.com/v/open/developTest/topic/others/centericon.png) no-repeat 9999px 9999px;
    }

    .g-mn-b {
        float: right;
        width: 100%;
    }

    .g-mn-b .mnc {
        margin-left: 210px;
    }

    .m-tab-s {
        height: 30px;
        width: 100%;
        border-bottom: 1px solid #29754d;
    }

    .m-tab-s li {
        float: left;
        width: 115px;
        margin-right: 10px;
        font-size: 14px;
    }

    .m-tab-s li b {
        display: block;
        font-weight: normal;
        height: 30px;
        line-height: 30px;
        background: #efefef;
        cursor: pointer;
        text-align: center;
    }

    .m-tab-s li b.crt-st {
        color: #fff;
        background: #29754d;
    }

    .m-tab-s2 {
        padding: 10px;
        height: 16px;
        background-color: #e6e6e6;
    }

    .m-tab-s2 li {
        float: left;
        margin-right: 10px;
        font-size: 12px;
    }

    .m-tab-s2 li a.crt-st {
        color: #29754d;
    }

    .m-tab-s2 .noli {
        float: right;
        width: 44px;
    }

    .m-centercnt .del,
    .m-centercnt2 .del,
    .m-tab-s2 .del-b,
    .m-tab-s2 .del-b:hover {
        background: url(//img1.cache.netease.com/v/open/developTest/topic/others/centericon.png) no-repeat 9999px 9999px;
    }

    .m-tab-s2 .del-b {
        padding-left: 20px;
        background-position: 0 -193px;
    }

    .m-tab-s2 .del-b:hover {
        background-position: 0 -223px;
    }

    .m-top {
        border-bottom: 1px solid #e4e4e4;
        height: 28px;
    }

    .m-top h3 {
        font-size: 16px;
    }

    .storelistbox {
        margin-right: -30px;
    }

    .m-centercnt .u-storeCard {
        width: 115px;
        margin: 0 40px 30px 0;
        height: 202px;
    }

    .m-centercnt .u-storeCard .cardImg {
        display: block;
        width: 115px;
        height: 157px;
        position: relative;
        -webkit-box-shadow: 1px 1px 1px #aeaeae;
        box-shadow: 1px 1px 1px #aeaeae;
        background-size: cover;
    }

    .m-centercnt .u-storeCard img {
        width: 115px;
        height: 157px;
    }

    .m-centercnt .u-storeCard .title {
        width: 115px;
        white-space: pre-line;
        word-wrap: break-word;
        color: #333;
    }

    .m-centercnt2 .u-playStoreCard {
        width: 160px;
        margin: 0 30px 30px 0;
        height: 160px;
    }

    .m-centercnt2 .u-playStoreCard .playCardImg {
        display: block;
        width: 160px;
        height: 90px;
    }

    .m-centercnt2 .u-playStoreCard img {
        width: 160px;
        height: 90px;
        -webkit-box-shadow: 1px 1px 1px #aeaeae;
        box-shadow: 1px 1px 1px #aeaeae;
    }

    .m-centercnt .u-storeCard h2,
    .m-centercnt2 .u-playStoreCard h2,
    .m-centercnt2 .u-playStoreCard h3 {
        font-size: 14px;
        font-weight: normal;
        line-height: 20px;
        text-align: left;
        margin-top: 5px;
        max-height: 40px;
        overflow-y: hidden;
    }

    .m-centercnt2 .u-playStoreCard .title {
        width: 160px;
        white-space: pre-line;
        word-wrap: break-word;
        color: #333;
    }

    .m-centercnt2 .u-playStoreCard h3 {
        font-size: 12px;
        color: #999;
        width: 160px;
        font-family: '\5B8B\4F53';
    }

    .m-centercnt .lastCard,
    .m-centercnt2 .lastCard {
        margin-right: 0;
    }

    .m-centercnt .u-storeCard:hover .title,
    .m-centercnt .u-storeCard:hover h3,
    .m-centercnt2 .u-playStoreCard:hover .title,
    .m-centercnt2 .u-playStoreCard:hover h3 {
        text-decoration: underline;
        color: #29754d;
        cursor: pointer;
    }

    .u-ocard .del {
        display: none;
        position: absolute;
        top: -10px;
        right: -10px;
        background-position: -1px -255px;
        width: 26px;
        height: 27px;
    }

    .u-ocard .del:hover {
        background-position: -1px -291px;
    }

    .u-ocard:hover .del {
        display: block;
    }

    .m-centercnt .itemHover .title,
    .m-centercnt2 .itemHover .title,
    .m-centercnt2 .itemHover h3,
    .m-centercnt .itemHover img,
    .m-centercnt2 .itemHover img {
        text-decoration: underline;
        color: #29754d;
        cursor: pointer;
    }

    .m-storeCenter .nostorerecord {
        background: url(//img3.cache.netease.com/video/2013/4/12/2013041213584054fb3.png) no-repeat 235px -323px;
        padding-top: 105px;
        color: #999;
        font-size: 14px;
        margin: 0 auto;
        width: 568px;
        text-align: center;
        font-family: 'Microsoft YAHEI';
    }

    .m-storeCenter .nostorerecord .color-green {
        color: #29754d;
    }

    .m-storeCenter .noneLogin {
        background-position: 66px -323px;
        width: 236px;
        font-family: 'Microsoft YAHEI';
        font-size: 14px;
        padding-top: 94px;
    }

    .m-storeCenter .noneLogin a {
        font-size: 14px;
        color: #009a4f;
    }

    .m-storeCenter .noneLogin a:hover {
        text-decoration: none;
    }

    .m-storeCenter .nowrap {
        background-color: #fff;
        padding: 90px;
        padding-bottom: 120px;
        -webkit-box-shadow: 0px 1px 2px #eaeaea;
        box-shadow: 0px 1px 2px #eaeaea;
        border: 1px solid #eaeaea;
        border-top: none;
    }

    .m-storeCenter .u-page {
        margin: 0 45px 0;
    }

    .m-main-s .couserabox {
        margin-left: -30px;
    }

    .m-main-s .u-ccard {
        width: 160px;
        position: relative;
    }

    .m-centercnt .sepbox {
        border-bottom: 1px solid #ddd;
        margin-bottom: 30px;
        width: 100%;
    }

    .m-main-s .delbtn {
        display: none;
        position: absolute;
        background: url(//img1.cache.netease.com/v/open/developTest/topic/others/centericon.png) no-repeat -1px -255px;
        top: -10px;
        right: -10px;
        width: 26px;
        height: 27px;
    }

    .m-main-s .delbtn:hover {
        background-position: -1px -291px;
    }

    .m-main-s .u-ccard:hover .delbtn {
        display: block;
    }

    .m-main-s .u-ccard .ti {
        width: 170px;
    }

    .m-centercnt2 .j-none {
        background-color: #fff;
        width: 568px;
        padding: 90px;
        -webkit-box-shadow: 0px 1px 2px #eaeaea;
        box-shadow: 0px 1px 2px #eaeaea;
        border: 1px solid #eaeaea;
        border-top: none;
    }

    .m-centercnt2 .kongtxt {
        background: url(//img3.cache.netease.com/video/2013/4/12/2013041213584054fb3.png) no-repeat -10px -323px;
        padding-top: 90px;
        color: #999;
        font-size: 14px;
        margin: 0 auto;
        width: 90px;
        font-family: 'Microsoft YAHEI';
    }

    .m-storeCenter .u-ccard:hover .cc,
    .m-storeCenter .u-ccard:hover .sc {
        text-decoration: underline;
        color: #29754d;
        cursor: pointer;
    }


    .mine[data-v-1b007664] {
        text-align: center;
        height: 153px;
    }

    .mine dd[data-v-1b007664] {
        padding: 20px 65px 10px;
    }

    .mine .avator[data-v-1b007664] {
        width: 60px;
        height: 60px;
        border-radius: 50%;
    }

    .mine dt[data-v-1b007664] {
        padding: 0 10px;
    }

    .mine dt h4[data-v-1b007664] {
        color: #333333;
        font-size: 16px;
        margin: 0;
        line-height: 16px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mine dt .type[data-v-1b007664] {
        margin-top: 12px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mine dt .mine-login[data-v-1b007664] {
        cursor: pointer;
    }


    .MyOpenNav_navBody {
        position: relative;
        float: left;
        margin-right: -210px;
        width: 190px;
        background: #fff;
        -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    }

    .MyOpenNav_navBody .u-sd li.talk a,
    .MyOpenNav_navBody .u-sd li.course a {
        background: url(https://s2.open.163.com/res/image/coursera/talk/talk_sprite.png) no-repeat 4449px 4449px;
    }

    .MyOpenNav_navBody .u-sd li a {
        color: #333;
        padding-left: 40px;
        width: 150px;
        height: 42px;
        display: block;
        line-height: 42px;
        font-size: 14px;
        background: url(//img1.cache.netease.com/v/open/developTest/topic/others/centericon0408.png) no-repeat 9999px 9999px;
    }

    .MyOpenNav_navBody .u-sd li.col a {
        background-position: 15px 8px;
    }

    .MyOpenNav_navBody .u-sd li.plr a {
        background-position: 15px -51px;
    }

    .MyOpenNav_navBody .u-sd li.note a {
        background-position: 15px -116px;
    }

    .MyOpenNav_navBody .u-sd li.talk a {
        background-position: -33px 12px;
    }

    .MyOpenNav_navBody .u-sd li.crt-s.talk a {
        background-position: -70px 12px;
    }

    .MyOpenNav_navBody .u-sd li.course a {
        background-position: -116px -53px;
    }

    .MyOpenNav_navBody .u-sd li.crt-s.course a {
        background-position: -116px -19px;
    }

    .MyOpenNav_navBody .u-sd li.pay a {
        background-image: url(https://cms-bucket.nosdn.127.net/d792758aa05e4b6293c656e64b71263520180328190940.png);
        background-position: 17px;
    }

    .MyOpenNav_navBody .u-sd li.pay.crt-s a {
        background-image: url(http://cms-bucket.nosdn.127.net/2018/11/16/d9f26fd571f14f3882a8f17e94dc94af.png);
        background-position: 17px;
    }

    .MyOpenNav_navBody .u-sd li.coupon a {
        background-image: url(http://cms-bucket.nosdn.127.net/2018/11/16/20f75591a76644d6985784ffbafb38a2.png);
        background-position: 16px center;
        background-size: 17px;
    }

    .MyOpenNav_navBody .u-sd li.coupon.crt-s a {
        background-image: url(http://cms-bucket.nosdn.127.net/2018/11/16/5469f47e5d6e4b0dbe514ae9093556b9.png);
    }

    .MyOpenNav_navBody .u-sd li a:hover {
        background-color: #f7f7f7;
        color: #29754d;
        text-decoration: none;
    }

    .MyOpenNav_navBody .u-sd li.crt-s a {
        color: #fff;
        line-height: 42px;
        font-weight: bold;
        background-color: #29754d;
    }

    .MyOpenNav_navBody .u-sd li.crt-s a:hover {
        color: #fff;
        background-color: #29754d;
    }

    .MyOpenNav_navBody .u-sd li.crt-s.col a {
        background-position: 14px -21px;
    }

    .MyOpenNav_navBody .u-sd li.crt-s.plr a {
        background-position: 14px -82px;
    }

    .MyOpenNav_navBody .u-sd li.crt-s.note a {
        background-position: 14px -149px;
    }


    .MyOrder_orderContainer {
        padding: 0 20px;
        background-color: #fff;
        -webkit-box-shadow: 0px 1px 2px #eaeaea;
        box-shadow: 0px 1px 2px #eaeaea;
        border: 1px solid #eaeaea;
        border-top: none;
    }

    .MyOrder_orderHead {
        height: 38px;
        margin: 0 -20px;
        padding: 0 20px;
        line-height: 38px;
        background-color: #f8f8f8;
        font-size: 14px;
    }

    .MyOrder_orderItem {
        padding: 20px;
        margin: 0 -20px;
    }

    .MyOrder_orderItem + .MyOrder_orderItem {
        border-top: 10px solid #F8F8F8;
    }

    .MyOrder_orderItem .btn {
        display: inline-block;
        min-width: 80px;
        padding: 4px 10px;
        text-align: center;
        vertical-align: middle;
        line-height: 1.42858;
        font-size: 12px;
        border: 1px solid transparent;
        border-radius: 9999px;
        background-color: transparent;
        cursor: pointer;
        outline: none;
        -webkit-transition: all ease-in-out 0.3s;
        transition: all ease-in-out 0.3s;
    }

    .MyOrder_orderItem .btn.default {
        color: #b4b4b4;
        border-color: #b4b4b4;
    }

    .MyOrder_orderItem .btn.default:hover:not(:disabled) {
        color: #fff;
        background-color: #b4b4b4;
    }

    .MyOrder_orderItem .btn.orange {
        color: #EF9632;
        border-color: #EF9632;
    }

    .MyOrder_orderItem .btn.orange:hover:not(:disabled) {
        color: #fff;
        background-color: #EF9632;
    }

    .MyOrder_orderItem .btn.link:hover {
        color: #EF9632 !important;
    }

    .MyOrder_series {
        padding-bottom: 15px;
        border-bottom: 1px solid #eee;
    }


    li.tips[data-v-2370764e] {
        float: right;
        line-height: 30px;
        text-align: right;
        margin: 0;
    }

    li.tips a[data-v-2370764e] {
        color: #286a46;
    }

    .tip-word[data-v-2370764e] {
        padding-top: 190px;
        text-align: center;
        font-size: 14px;
    }

    .tip-word a[data-v-2370764e] {
        color: #43b478;
    }

    .no-class-tips[data-v-2370764e] {
        height: 290px;
        background: url(/assets/img/no_course_tip.0043201.png) no-repeat center 30px;
    }


    .CourseWelfare_body {
        -webkit-box-sizing: border-box;
        box-sizing: border-box;
        width: 700px;
        padding: 40px 60px 0;
        font-size: 16px;
    }

    .CourseWelfare_title {
        margin-bottom: 50px;
        font-size: 24px;
        font-weight: 500;
        line-height: 1;
        text-align: center;
    }

    .CourseWelfare_item {
        margin-bottom: 50px;
    }

    .CourseWelfare_itemName {
        margin-bottom: 20px;
        font-size: 18px;
        font-weight: 500;
        text-align: center;
    }

    .CourseWelfare_itemName span {
        display: inline-block;
        position: relative;
        padding: 0 20px;
    }

    .CourseWelfare_itemName span::before,
    .CourseWelfare_itemName span::after {
        content: '';
        display: block;
        position: absolute;
        width: 60px;
        height: 3px;
        top: 50%;
        background-color: #e5e5e5;
        -webkit-transform: translateY(-50%) skewX(-45deg);
        transform: translateY(-50%) skewX(-45deg);
    }

    .CourseWelfare_itemName span::before {
        right: 100%;
    }

    .CourseWelfare_itemName span::after {
        left: 100%;
    }

    .CourseWelfare_itemCode,
    .CourseWelfare_itemDesc {
        margin-bottom: 10px;
        line-height: 1.5;
    }

    .CourseWelfare_itemDesc {
        margin-bottom: 20px;
    }

    .CourseWelfare_formFields {
        display: table;
        width: 100%;
    }

    .CourseWelfare_inputItem {
        display: table-row;
        height: 60px;
        font-size: 14px;
    }

    .CourseWelfare_inputItem > * {
        display: table-cell;
        padding-left: .75em;
        white-space: nowrap;
        line-height: 40px;
    }

    .CourseWelfare_inputItem > *:first-child {
        padding-left: 0;
    }

    .CourseWelfare_inputName {
        text-align: right;
    }

    .CourseWelfare_inputRequire {
        color: #f43636;
    }

    .CourseWelfare_inputBody {
        width: 100%;
    }

    .CourseWelfare_inputBody input {
        -webkit-box-sizing: border-box;
        box-sizing: border-box;
        display: block;
        width: 100%;
        height: 40px;
        padding: 0 .5em;
        border: 1px solid #d4d4d4;
        font-size: 16px;
        -webkit-transition: .25s;
        transition: .25s;
    }

    .CourseWelfare_inputBody input:focus {
        border-color: #dd8700;
    }

    .CourseWelfare_formFooter {
        margin-top: 30px;
        text-align: center;
    }

    .CourseWelfare_submit {
        padding: calc(0.5em - 1px) calc(1em - 1px);
        border-radius: 1000px;
        color: #dd8700;
        border: 1px solid;
        background: none;
        line-height: 1;
        cursor: pointer;
        -webkit-transition: .25s;
        transition: .25s;
        border-color: #dd8700;
        background-color: #dd8700;
        color: #fff;
        font-size: 20px;
    }

    .CourseWelfare_submit:hover {
        color: #f79700;
    }

    .CourseWelfare_submit:hover {
        border-color: #f79700;
        background-color: #f79700;
        color: #fff;
    }

    .CourseWelfare_itemSuccess {
        padding-bottom: 50px;
        -webkit-animation: CourseWelfare_fadeIn 0.5s;
        animation: CourseWelfare_fadeIn 0.5s;
    }

    @-webkit-keyframes CourseWelfare_fadeIn {
        from {
            opacity: 0;
        }
    }

    @keyframes CourseWelfare_fadeIn {
        from {
            opacity: 0;
        }
    }

    .CourseWelfare_itemSuccessTitle {
        margin-top: 50px;
        margin-bottom: 20px;
        font-size: 20px;
        line-height: 1.2;
        text-align: center;
    }

    .CourseWelfare_itemSuccessTitle span {
        display: inline-block;
        padding-left: 1.7em;
        background: url() left center no-repeat;
        background-size: contain;
    }

    .CourseWelfare_itemSuccessDesc {
        color: #666;
        font-size: 16px;
        text-align: center;
    }


    .Modal_modal {
        position: fixed;
        height: 100%;
        width: 100%;
        top: 0;
        left: 0;
        z-index: 99999;
        background-color: rgba(0, 0, 0, 0.5);
        -webkit-transition: .5s;
        transition: .5s;
    }

    .Modal_modal:not(.show) {
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
    }

    .Modal_modal:not(.show) .Modal_body {
        -webkit-transform: translate(-50%, -60%);
        transform: translate(-50%, -60%);
    }

    .Modal_body {
        -webkit-box-sizing: border-box;
        box-sizing: border-box;
        position: absolute;
        min-width: 100px;
        min-height: 50px;
        max-height: 90%;
        overflow: auto;
        top: 50%;
        left: 50%;
        background: #fff;
        -webkit-box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        -webkit-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        color: #333;
        -webkit-transition: .5s;
        transition: .5s;
    }

    .Modal_closeBtn {
        position: absolute;
        height: 32px;
        width: 32px;
        top: 0;
        right: 4px;
        background: none;
        color: #999;
        border: none;
        font-size: 24px;
        text-align: center;
        line-height: 32px;
        cursor: pointer;
        -webkit-transition: .25s;
        transition: .25s;
    }

    .Modal_closeBtn:hover {
        color: #09924b;
    }
    </style>
</head>

<body>
<div id="app" data-server-rendered="true">
    <div>
        <div><!-- @NAV -->
            <!-- app download banner -->
            <style type="text/css">
                .u-appbanner {
                    z-index: 100;
                    padding: 30px 20px;
                    display: none;
                    background: #24794b;
                }

                .u-appbanner.isMobile {
                    display: block;
                }

                .u-appbanner .logo {
                    width: 305px;
                    height: 83px;
                    background: url(https://open-image.ws.126.net/open-h5uploadfile/6608586051446202447.png) 0 0 no-repeat;
                }

                .u-appbanner .close {
                    margin: 30px 0 0 25px;
                    width: 28px;
                    height: 28px;
                    background: url(https://open-image.ws.126.net/open-h5uploadfile/6608586051446202447.png) 0 -168px no-repeat;
                }

                .u-appbanner .dlbtn {
                    margin-top: 10px;
                    width: 178px;
                    height: 64px;
                    background: url(https://open-image.ws.126.net/open-h5uploadfile/6608586051446202447.png) 0 -97px no-repeat;
                }

            </style>
            <div class="u-appbanner f-pr f-cb" id="j-appbanner">
                <div class="logo f-fl"></div>
                <a class="f-fr close" id="j-appbanner-close"></a>
                <a class="f-fr dlbtn" href="/special/phonedownload"></a>
            </div>
            <script type="text/javascript">
                (function (g, doc) {
                    var bannerNode = doc.getElementById('j-appbanner');
                    var testAndroid = /(android)/ig,
                        testAppleIphone = /(iphone)/ig,
                        testAppleIpad = /(ipad)/ig;
                    var useragent = navigator.userAgent.toLowerCase();
                    var isMobile = testAndroid.test(useragent) || testAppleIphone.test(useragent) || testAppleIpad.test(useragent);
                    doc.getElementById('j-appbanner-close').onclick = function () {
                        bannerNode.style.display = 'none';
                    }
                    if (isMobile) {
                        bannerNode.className = 'u-appbanner f-cb isMobile';
                    }
                })(window, document);

            </script>
            <!-- /app download banner -->
            <!-- 通用头部，2015春节 -->
            <style>
                .u-nav2 .hd-share .shicon1:hover .qrcode,
                .u-nav2 .hd-share .shicon2:hover .qrcode,
                .u-nav2 .hd-share .shicon3:hover .qrcode,
                .u-nav2 .hd-share .shicon4:hover .qrcode {
                    opacity: 1;
                    visibility: visible;
                }

                .u-nav2 .hd-share .shicon1 {
                    background: no-repeat url(https://open-image.ws.126.net/db6cf5793e2a4342829d52e6d74910a5.png) center center;
                }

                .u-nav2 .hd-share .shicon1:hover {
                    background: no-repeat url(https://open-image.ws.126.net/27a92290ad8946db82d5ad13e1b69876.png) center center;
                }
            </style>
            <style>
                .home-nav-appdownload-btn {
                    position: relative
                }

                .qrBox {
                    text-align: center;
                    transition: 0.2s;
                    visibility: hidden;
                    opacity: 0;
                    padding: 34px 0 32px;
                    position: absolute;
                    width: 228px;
                    border: 2px solid #ededed;
                    right: 0;
                    top: 40px;
                    background: #ffffff;
                    z-index: 10;
                }

                .qrBox:before, .qrBox:after {
                    width: 0px;
                    height: 0px;
                    border: transparent solid;
                    position: absolute;
                    left: 164px;
                    bottom: 100%;
                    content: ""
                }

                .qrBox:before {
                    border-width: 10px;
                    border-bottom-color: #ededed;
                    top: -20px;
                }

                .qrBox:after {
                    border-width: 8px;
                    border-bottom-color: #fff;
                    left: 166px;
                    top: -16px;
                }

                .qrBox .qrCodeImg {
                    width: 130px;
                }

                .qrIcon {
                    margin-right: 10px;
                }

                .tip1 {
                    font-size: 16px;
                    font-weight: bold;
                    color: #333;
                    margin: 14px 0 14px;
                }

                .home-nav-appdownload-btn:hover .qrBox {
                    visibility: visible;
                    opacity: 1
                }

                .mainnav .hot {
                    position: relative;
                    overflow: inherit;
                }

                .mainnav .hot:after {
                    content: "HOT";
                    display: block;
                    position: absolute;
                    top: -6px;
                    right: -30px;
                    z-index: 999;
                    padding: 0 .75em;
                    border-radius: 8px 8px 8px 0;
                    font-size: 11px;
                    line-height: 16px;
                    background: #ff4b36;
                    transition: .25s
                }

                .mainnav .hot:hover:after {
                    transform: translate(0, -25%);
                }
            </style>

            <style>
                .m-midnav {
                    height: 40px;
                    padding: 30px 0;
                }

                .m-midnav .logo {
                    height: 40px;
                    width: 223px;
                    background: url('https://plus-cms-bucket.ws.126.net/2018/09/26/258f3b40903c438e8e78d50628a1ea3e.png') no-repeat;
                }

                .m-midnav-right {
                    float: right;
                    height: 100%;
                    padding-top: 2px;
                }

                .u-nav2 .li {
                    border-left: none;
                }

                .m-midnav .search {
                    margin-top: 3px;
                    margin-right: 142px;
                }

                .u-nav2 .active,
                .u-nav2 .hd-mycenter {
                    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
                    z-index: 800;
                }

                .m-midnav .g-container {
                    width: 1180px;
                }

                .m-botnav {
                    z-index: 799
                }

                .u-login {
                    max-width: 100px;
                    overflow: hidden;
                    white-space: nowrap;
                    text-overflow: ellipsis;
                }

                .open-all-course {
                    display: none;
                    color: #333333;
                    position: absolute;
                    top: -30px;
                    font-size: 16px;
                    left: 223px;
                    padding: 0 10px;
                    height: 100px;
                    line-height: 100px;
                }

                .open-all-course:hover {
                    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3)
                }

                #all-course-box {
                    position: absolute;
                    top: 100%;
                    left: 0;
                }
            </style>
            <style>
                /* 个人中心-优惠券 */
                #center-coupon {
                    color: orange;
                    display: none;
                }

                #center-coupon.empty {
                    color: silver;
                }

                #center-coupon::before {
                    content: '(';
                    color: #666
                }

                #center-coupon::after {
                    content: ')';
                    color: #666
                }
            </style>
            <div class="g-wrap">
                <div class="m-midnav">
                    <div class="g-container clear f-pr">
                        <div class="m-midnav-right">
                            <ul class="u-nav2 right clear">
                                <li class="left li rel u-login j-login hide">
                                    <span class="li f-c6 j-username"></span>
                                </li>
                                <li class="left li rel u-beforelogin j-beforelogin">
                                    <a class="f-c6 li j-loginBtn" id="urs_login_btn">登录/注册</a>
                                </li>
                                <li class="left li rel">
                                    <a class="link f-c6" href="https://vip.open.163.com/center/myOrder">已购课程</a>
                                </li>
                                <li class="left li rel j-hoverdown" data-for="j-hoverdown-mycenter">
                                    <a class="f-cgreen" href="https://vip.open.163.com/center/myOrder">
                                        <span>个人中心</span>
                                        <span class="f-icon"></span>
                                    </a>
                                    <ul class="hd-mycenter hide abs j-downitem">
                                        <li><a class="link f-c6" href="https://vip.open.163.com/center/myOrder">已购课程</a>
                                        </li>
                                        <li><a class="link f-c6"
                                               href="https://vip.open.163.com/center/myCoupon">优惠券<span
                                                id="center-coupon"></span></a></li>
                                        <li><a class="link f-c6" href="https://vip.open.163.com/center/myCollection">我的收藏</a>
                                        </li>
                                        <li><a class="link f-c6"
                                               href="https://vip.open.163.com/center/myRecord">播放记录</a></li>
                                        <li><a class="link f-c6 j-logoutBtn j-login">退出</a></li>
                                    </ul>
                                </li>
                                <li class="left li rel j-hoverdown">
                                    <span class="f-icon f-c6"></span>
                                    <span class="f-c6">关注我们</span>
                                    <ul class="hd-share hide abs j-downitem clear">
                                        <li class="left">
                                            <a class="shicon1" href="https://www.zhihu.com/org/wang-yi-gong-kai-ke-app"
                                               target="_blank"></a>
                                        </li>
                                        <li class="left">
                <span class="shicon3">
                  <span class="qrcode">
                    <img src="https://open-image.ws.126.net/fe8b07ad9bab46ce926a26f327ea8d73.jpg?imageView&quality=90&thumbnail=228y228">
                  </span>
                </span>
                                        </li>
                                    </ul>
                                </li>
                            </ul>
                        </div>
                        <a href="/">
                            <h1 class="logo left notxt">网易公开课</h1>
                        </a>
                        <div class="open-all-course">
                            全部课程
                            <div id="all-course-box">
                                <div id="all-course-container"></div>
                            </div>
                        </div>
                        <form accept-charset="utf-8" id="j-SearchForm" target="_blank"
                              action="//c.open.163.com/search/search.htm">
                            <div class="search right rel j-input">
                                <label class="phold f-c9" for="j-search">搜索课程、视频、公开课策划</label>
                                <input autocomplete="off" type="text" name="query" class="inputxt j-txt" id="j-search"/>
                                <input type="submit" class="subbtn f-icon" value=""/>
                                <input type="hidden" name="enc" value="&#153;">
                            </div>
                        </form>
                    </div>
                </div>
                <div class="m-botnav rel">
                    <div class="main">
                        <div class="g-container clear">
                            <ul>
                                <li class="mainnav left rel">
                                    <a class="link f-f0 nowrp f-cf" href="homepage.html" target="_self">首页</a>
                                </li>

                                <li class="left">
                                    <!-- ad -->
                                    <div class="left" style="margin-top:3px">
                                        <!--guanming-->            </div>
                                    <!-- /ad -->
                                </li>
                                <li class="mainnav left rel f-fr f-cf g-hide home-nav-appdownload-btn">
                                    <a class="link f-f0 nowrp f-cf f-fr hot"
                                       href="https://open.163.com/appdownload/mobile?hom_nav" target="_blank">客户端下载</a>
                                    <!-- <div class="home-nav-appdownload"> -->
                                    <!-- <p class="home-nav-appdownload-hint">扫码下载网易公开课APP</p>
                              <p class="home-nav-appdownload-imgwrap">
                                <img class="home-nav-appdownload-img" src="https://img1.cache.netease.com/opencourse/home_nav_appdownload.png">
                              </p> -->
                                    <div class="qrBox">
                                        <img class="qrCodeImg"
                                             src="https://open-image.ws.126.net/798155208f0c47f797b74cdb84e06957.jpg"
                                             alt="">
                                        <div class="tip1">扫码下载网易公开课APP</div>
                                    </div>
                                    <!-- </div> -->
                                </li>
                            </ul>
                        </div>
                    </div>
                </div>
                <!-- 确认框 -->
                <div id="j-feedbackTip" class="u-feedbackTip f-cb" style="display:none">
                    <span class="f-ib f-fl"></span>
                    <h2 class="f-ib f-fl"></h2>
                </div>
                <div id="j-confirmBox" class="m-confirmBox" style="display:none">
                    <div class="box">
                        <p class="txt"></p>
                    </div>
                    <div class="btn f-cb">
                        <div class="yes f-fl">确认</div>
                        <div class="false f-fl">取消</div>
                    </div>
                </div>
                <!-- /确认框 -->
                <!-- 大促广告位 -->
                <!-- 对联 -->
                <!-- 广告通用数据模板 -->
                <script>
                    document.domain = "163.com";
                    var INIT_ADS_DATA = {
                        items: []
                    };
                    ;(function () {
                        var OPEN_ADS_DATA = {
                            pc: {
                                tonglan: {},
                                duilian: {}
                            },
                            h5: {
                                tonglan: {}
                            }
                        };
                        for (var i = 0, len = INIT_ADS_DATA.items.length, ads; i < len; i++) {
                            ads = INIT_ADS_DATA.items[i]
                            if (ads.adsType === "PC_TONGLAN") {
                                OPEN_ADS_DATA.pc.tonglan = ads;
                            } else if (ads.adsType === "PC_DUILIAN") {
                                OPEN_ADS_DATA.pc.duilian = ads;
                            } else if (ads.adsType === "H5_TONGLAN") {
                                OPEN_ADS_DATA.h5.tonglan = ads;
                            }
                            delete ads.adsType;
                        }
                        top.OPEN_ADS_DATA = window.OPEN_ADS_DATA = OPEN_ADS_DATA;
                    })();
                </script><!-- /广告通用数据模板 -->
                <style>
                    .discount-ad {
                        position: absolute;
                        width: 100%;
                        z-index: 999;
                    }

                    .discount-ad .s-ad {
                        position: absolute;
                        top: 100px;
                    }

                    .discount-ad .s-left-ad {
                        left: 0;
                    }

                    .discount-ad .s-right-ad {
                        right: 0;
                    }

                </style>
                <div id="discount-ad" class="discount-ad"></div>
                <script>
                    function showDiscountAd() {
                        var discountAdDom = document.getElementById('discount-ad');
                        try {
                            if (parseFloat(OPEN_ADS_DATA.pc.duilian.lspri) >= 60 && document.body.clientWidth > 1600) {

                                discountAdDom.innerHTML =
                                    '<a href="' + OPEN_ADS_DATA.pc.duilian.url + '">\
                  <img class="s-ad s-left-ad" src="' + OPEN_ADS_DATA.pc.duilian.imgSrc + '" alt="">\
              </a>\
              <a href="' + OPEN_ADS_DATA.pc.duilian.url + '">\
                  <img class="s-ad s-right-ad" src="' + OPEN_ADS_DATA.pc.duilian.imgSrc + '" alt="">\
              </a>';

                                discountAdDom.style.display = 'block';

                            } else {

                                discountAdDom.style.display = 'none';
                            }
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